<p>product-index works!</p>
<a href="pucenter">进入用户中心</a>
<a routerLink="/pucenter">进入用户中心</a>
<button routerLink="/pdetail">进入商品详情</button>
<hr>
<button (click)="jumpToDetail()">跳转到商品详情</button>
<hr>
<app-product-list></app-product-list>
